253630720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{28307}}^1$

素因数の和:28335

約数の個数: 72

約数和(自身を含む): 694338624

約数和(自身を除く): 440707904

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 28307, 56614, 113228, 141535, 198149, 226456, 283070, 396298, 452912, 566140, 792596, 905824, 990745, 1132280, 1585192, 1811648, 1981490, 2264560, 3170384, 3623296, 3962980, 4529120, 6340768, 7246592, 7925960, 9058240, 12681536, 15851920, 18116480, 25363072, 31703840, 36232960, 50726144, 63407680, 126815360, 253630720]

約数ペア:

[(1, 253630720), (2, 126815360), (4, 63407680), (5, 50726144), (7, 36232960), (8, 31703840), (10, 25363072), (14, 18116480), (16, 15851920), (20, 12681536), (28, 9058240), (32, 7925960), (35, 7246592), (40, 6340768), (56, 4529120), (64, 3962980), (70, 3623296), (80, 3170384), (112, 2264560), (128, 1981490), (140, 1811648), (160, 1585192), (224, 1132280), (256, 990745), (280, 905824), (320, 792596), (448, 566140), (560, 452912), (640, 396298), (896, 283070), (1120, 226456), (1280, 198149), (1792, 141535), (2240, 113228), (4480, 56614), (8960, 28307)]